Fast-food face off - Boston.com: "We all know eating fatty, calorie-laden fast-foods is a bad idea -- but just how bad? Of the following pairings, pick which item you think has more calories than the other. *Not all items are exactly the same size, but we tried to pick items that were comparable to one another* To learn more about the nutritional value of the items listed, scroll to the bottom of the page -- try not to cheat!"